The no machining directional solidification hollow turbine blades, hollow guide vans and complex structure parts used in aero engine and gas turbine made by vacuum precision investment casting.
航空发动机、燃机等精铸真空无余量空心涡轮、导向叶片及复杂结构件。多种热处理炉上用料盘，夹具等耐热合金钢精铸件。
Function and working principle of a gate watching dog of a guide circuit and a kind of a guide gate watching dog are presented for an intelligent vacuum circuit breaker in coal mine.
介绍了用于煤矿井下智能型真空磁力起动器中的先导电路看门狗的功能及工作原理和一种先导看门狗电路。
To sum up, this paper studies the settlement calculation and forecast of soft soil subgrade by vacuum preloading and obtains some useful conclusions which can guide construction better.
综上，本文对真空预压加固软土路基时的沉降计算及预测做了一定的研究，得出了一些有用的结论，可以更好的指导工程施工。
It is a guide for the vacuum deep cut revamping on atmospheric and vacuum distillation unit.
结果表明对常减压装置减压深拔技术改造有一定的指导意义。
Vacuum, resolute, humble, simple, this is you taught me to sing the song, this is you guide me, walk the road of life.
⊙、真空、坚定、谦逊、朴素――这是您教给我唱的歌，这是您指引我走的人生之路。
The simulation results provide a theoretic guide for the fabrication of metallic nano-hole array by PS sphere's etching and vacuum depositing technology.
模拟结果为用PS球刻蚀技术制备金属纳米孔阵列的实验提供了理论支持。
The simulation results provide a theoretic guide for the fabrication of metallic nano-hole array by PS sphere's etching and vacuum depositing technology.
模拟结果为用PS球刻蚀技术制备金属纳米孔阵列的实验提供了理论支持。
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